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D8 - Configuration - Search and Metadata - URL Aliases - Delete Aliases Tab

1. Go to Delete Aliases Tab

From within the URL Aliases environment:

Click the Delete Aliases tab.

D8 - Configuration - Search and Metadata - URL Aliases - Select Aliases to Delete

2. Select Alias Path Types to be Deleted

In the Choose Aliases to Delete group, select the alias path types to delete. The example shows the Content alias type selected. The number of these alias types that exist on the site is displayed beneath its label.

Only Delete Automatically Generated Aliases checkbox = leave this checked.

Click the Delete Aliases Now! button.

D8 - Configuration - Search and Metadata - URL Aliases - Alias Deletion Confirmation

3. Alias Deletion Confirmation

A confirmation message will display at the top of the screen when the system is done processing.

The number of remaining paths should be 0.

To bulk add new paths, just go to the Bulk Generate Tab.